nigricans, Petromyzon Lesueur [C. A.] 1818:385 [Transactions of the American Philosophical Society (New Series) v. 1 (art. 33); ref. 17515] North America. Syntypes: MNHN A-8039 (1). Type catalog: Bertin 1939:65 [ref. 20739]. Redescribed and illustrated by Lesueur 1827:4, Pl. 2 [ref. 17524]. Not treated by Renaud 2011:78 [ref. 31770]. •Synonym of Petromyzon marinus Linnaeus 1758 -- (Vladykov 1973:2 [ref. 7159], Hardisty 1986:94 [ref. 24820], Renaud 2011:78 [ref. 31770]). Current status: Synonym of Petromyzon marinus Linnaeus 1758. Petromyzontidae.